1What are the features of the nebular hypothesis?
2How old is the earth taken to be, and how was that age found out?
3According to the nebular hypothesis, how was the sun formed?
4What did Laplace add to what Kant had said?
5According to the planetesimal hypothesis, how were the planets formed?
6What is the criticism made of the binary hypothesis?
7How does the tidal hypothesis explain Jupiter being the largest planet?
8According to the tidal hypothesis, why did Mars end up smaller than the earth?
9Write the main difference between the planetesimal hypothesis and the tidal hypothesis.
10Which fact about the masses of the members of the solar family supports the planetesimal hypothesis?